Steps for building mod_dtcl under NT for Apache with MingW32 
(http://www.mingw.org/). 

1)  Get Apache for NT, I used version 1.3.12.  You can use the binary release 
or build it from source.  I built from source because I needed to also include
mod_ssl.  Note that I used VC++ to build Apache - they don't support MingW32 
yet AFAIK.

2)  Get mod_dtcl.  Copy my makefile into place.  Edit the makefile to reflect 
your environment.  By default Apache (either built from scratch or the binary
release) puts the source under:

	 C:\Program Files\Apache Group\Apache\src

The lib directory at

	C:\Program Files\Apache Group\Apache\lib

is generally empty in either case - you'll be putting your import library for 
Apache there (we'll get to that in a minute).

3)  Apply the diffs for mod_dtcl and Apache.  The diff for Apache wraps a few 
declarations and one #include directive in the os.h file that aren't needed or 
used with the MingW32 compiler.  The diff for mod_dtcl just wraps the threaded 
TCL declaration.  I used GNU patch to do this with :

	patch -c -b < os.h.diff
	patch -c -b < mod_dtcl.c.diff

4)  You'll need to make import libraries for Tcl and Apache.  See 
http://www.mingw.org/mingwfaq.shtml for the background on this.  I did it 
like this :

For TCL :
	If you compiled Tcl from scratch with VC++:
	
	cd <tcl source directory>\win\release
	echo EXPORTS > c:\temp\tcl83.def
	nm tcl83.exp | grep ' U _' | sed 's/.* U _//' >> c:\temp\tcl83.def		
	cd <tk source directory>\win\release
	echo EXPORTS > c:\temp\tk83.def
	nm tk83.exp | grep ' U _' | sed 's/.* U _//' >> c:\temp\tk83.def		

	Otherwise if using the Scriptics binary release do this :

	cd c:\Program Files\Tcl\lib
	echo EXPORTS > c:\temp\tcl83.def
	echo EXPORTS > c:\temp\tk83.def
	nm tcl83.lib | grep ' T _' | sed 's/.* T _//' >> c:\temp\tcl83.def
	nm tk83.lib | grep ' T _' | sed 's/.* T _//' >> c:\temp\tk83.def

	Then do this (dlltool commands are all one line):

	cd c:\Program Files\Tcl\bin
	dlltool --def c:\temp\tcl83.def --dllname tcl83.dll \
		--output-lib ..\lib\libtcl83.a
	dlltool --def c:\temp\tk83.def --dllname tk83.dll \
		--output-lib ..\lib\libtk83.a
	
For Apache :

	Use the ApacheCore.def file I've included* and do this :
	cd C:\Program Files\Apache Group\Apache
	dlltool --dllname ApacheCore.dll --def c:\temp\ApacheCore.def \
		--output-lib lib\libapachecore.a -k
	
	*This file was modified from one created by Apache+mod_ssl, it may 
	need to be tweaked for plain vanilla Apache or for other module 
	installs that make source changes like mod_ssl.

5)  Go back to where you've put mod_dtcl's sources at and run make.  There 
will be some warnings about a redefinition - you can ignore it. You should be
left with a file called ApacheModuleDtcl.dll.   

6)  Run make install.  Make the changes to your Apache configuration as 
described on the mod_dtcl documentation, and you are off.

Notes :

	-- I'm pretty sure Tcl needs to be in the path of the web server; I 
	always add it to the system path.
	-- These instructions assume you have the MingW32 gcc setup as well 
	as a good collection of	GNU tools on your NT machine (sed, grep, etc).
	They also assume you have Tcl setup.
	-- I've tried my best to make these instructions error free but
	mistakes are possible.  

Good Luck,
Craig